JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing try throw catch throwing try throw catch ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the output of the following piece of code:class Person{ public void talk() {}}public class Test{ public static void main(String args[]){ Person p = null; try{ p.talk(); } catch(NullPointerException e){ System.out.print("There is a NullPointerException. "); } catch(Exception e){ System.out.print("There is an Exception. "); } System.out.print("Everything went fine. "); }} There is a NullPointerException. Everything went fine. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is an Exception. There is a NullPointerException. There is a NullPointerException. Everything went fine. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is an Exception. There is a NullPointerException. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Exception Throwable ArithmeticException Object Exception Throwable ArithmeticException ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Exception generated in try block is caught in ........... block. throw throws catch finally throw throws catch finally ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Given the following piece of code:class SalaryCalculationException extends Exception{}class Person{ public void calculateSalary() throws SalaryCalculationException{ //... throw new SalaryCalculationException(); //... }}class Company{ public void paySalaries(){ new Person().calculateSalary(); }}Which of the following statements is correct?1. This code will compile without any problems.2. This code will compile if in method paySalaries() we return a boolean in stead of void.3. This code will compile if we add a try-catch block in paySalaries().4. This code will compile if we add throws SalaryCalculationException in the signature of method paySalaries(). 2 and 4 1 and 2 2 and 3 3 and 4 1 and 4 2 and 4 1 and 2 2 and 3 3 and 4 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Predict the output:public class Test{ public static void main(String args[]){ try{ String arr[] = new String[10]; arr = null; arr[0] = "one"; System.out.print(arr[0]); }catch(Exception ex){ System.out.print("exception"); }catch(NullPointerException nex){ System.out.print("null pointer exception"); } }} "one" is printed. "exception" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. "exception" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. ANSWER DOWNLOAD EXAMIANS APP
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